Which of the following statements is correct in relation of bail under proviso to Section 167(2) of the Code-

The right is extinguished only when the accused fails to furnish bail bonds as directed by the Magistrate before filing of the charge-sheet

The period of detention shall be computed from the date on which the accused was remanded to judicial custody

The bail granted under the proviso cannot be cancelled under Section 437(5) or 439(2)